n.声吶(利用声波探测水下物体的装置或系统)

原形：sonar复数：sonars

We used sonar to detect the depth of the ocean.
我们使用声纳来探测海洋的深度。
The submarine relies on sonar for navigation in the dark depths.
潜水艇在黑暗深处依赖声纳导航。
The whale's song can be detected by advanced sonar systems.
鲸鱼的歌声可以通过先进的声纳系统检测到。
Sonar is an essential tool for underwater exploration.
声纳是水下探索的重要工具。
The ship's sonar detected an unknown object beneath the surface.
船只的声纳在水面下检测到了一个未知物体。
In fishing, sonar helps locate schools of fish.
在捕鱼中，声纳有助于找到鱼群的位置。
The repair team used sonar to find the damage on the ship's hull.
修复团队使用声纳找到了船体的损坏位置。
Military submarines use passive sonar to listen for enemy vessels.
军事潜艇使用被动声纳监听敌方舰艇。
Sonar technology has greatly improved over the past decades.
过去几十年，声纳技术有了很大的改进。
The use of sonar may potentially harm marine life, especially whales and dolphins.
使用声纳可能会对海洋生物，尤其是鲸鱼和海豚造成潜在伤害。